How to convert MP4 to MP3 on Mac?

For music-loving people, mp3 converter is a loyal mate. And as top Mac software, mp3 converter for Mac is a professional app to convert MKA, WAV, M4A, M4V, AAC, AC3, AIFF, AMR, FLAC, WMA, MP2 to MP3 Mac, and extracts audio from video like MP4, MOV, DV, MPEG, WMV, AVI etc to MP3 on Mac. Mac users can...